Ball Bearing Units | Ball Bearings | Products | NSK GlobalThe NSK bearing unit is a combination of a radial ball bearing, seal, and a housing of high-grade cast iron or pressed steel, which comes in various shapesDeep Groove Ball Bearings - NSK AmericasNSK is the World Leader in Deep Groove Ball Bearings. Deep Groove Ball Bearings (DGBB) are the most common form of rolling bearings and are used in a variety of applications; particularly those where high speeds and low power loss are required. NSK DGBB can handle not only radial